CN205639977U - Flexible duct intermediate head - Google Patents
Flexible duct intermediate head Download PDFInfo
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- CN205639977U CN205639977U CN201620470832.4U CN201620470832U CN205639977U CN 205639977 U CN205639977 U CN 205639977U CN 201620470832 U CN201620470832 U CN 201620470832U CN 205639977 U CN205639977 U CN 205639977U
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- inner core
- core tube
- transition joint
- flexible duct
- joint
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Abstract
The utility model discloses a flexible duct intermediate head. The internal surface of this flexible duct intermediate head's outer tube expands outward from inside to outside, the internal surface of outer tube evenly is provided with a plurality of annular block face that the cross -section distributes for the cockscomb structure, the surface of the cover pipe end of inner core pipe evenly is provided with a plurality of annular block face that the cross -section distributes for the cockscomb structure, flexible duct intermediate head's leakproofness has just so been strengthened greatly, setting up of the inside passageway of ventilating of connecting piece and connecting piece makes the leakage medium be in the circulation state simultaneously, flow and discharge to the flexible duct intermediate head other end, and this structure sets up and makes the exhaust passage can not block up and warp because the pipeline distorts or extrudees, it can not pile up to leak the medium, discharge effectually.
Description
Technical field
This utility model relates to a kind of pipe joint, particularly relates to a kind of flexible duct transition joint.
Background technology
Flexible duct is widely used in transmission corrosivity and non-aggressive medium, such as oil, gas, injection chemicals.For preventing from bursting because revealing or permeate the pressure extremely increase of the inside hose caused, code requirement designing and arranging place system, and reveal medium and must be discharged by pipe joint internal switching.
Applying wider joint design at present, including inner core tube, trocar sheath, trocar sheath is arranged on inner core tube outside and both coaxial lines, is welded and fixed, and inner core tube outer surface and outer sleeve inner surface straightway offer profile of tooth annular groove, offer one group of steam vent at trocar sheath arc section.During use, flexible composite pipe is placed in the gap that inner core tube is formed with trocar sheath, withholds fixing by outer radial and seal flexible composite pipe.Vent structure can be affected during withholding, cause steam vent to deform, cause leakage.Use elongated steel pipe through between two steam vents, be welded to connect.The in-site installation of elongated steel pipe is highly inconvenient, and welds corrosion resistance and poor reliability, and commissure can be caused to reveal.Also have now and be directly connected to inducing QI by airway, inner core tube is divided into two sections, two sections of inner core tube two ends are connected by flange arrangement, but two ends are it may happen that rotate during the pipe joint use that flange arrangement connects, if so using airway will make airway torsional deformation, thus affect leaking medium discharge.The most existing these still have deficiency to the sealing of flexible pipeline joint.
Utility model content
For solving above-mentioned technical problem, this utility model devises a kind of flexible duct transition joint.
This utility model adopts the following technical scheme that
nullA kind of flexible duct transition joint，It includes two inner core tube、Two trocar sheaths and transition joint，One end, inner core tube two ends is sleeve end，The other end is for connecting end，The outer surface of the sleeve end of inner core tube indent from inside to outside，The outer surface of the sleeve end of inner core tube is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，The connection end of two inner core tube engages with transition joint two ends respectively，The connection end of two inner core tube engages with transition joint that place is threaded clamp nut，Inner core tube outer surface centre position is fixedly installed connector，Trocar sheath is socketed with the connection end of inner core tube，And be fixed on connector，The inner surface of trocar sheath extends out from inside to outside，The inner surface of trocar sheath is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，Connector inner surface is provided with axial venting channels，Connector be provided with steam vent in the radial direction，Steam vent connection venting channels，Region between inner core tube and trocar sheath that venting channels connection is connected，Connect between the steam vent of two inner core tube correspondence connectors and have airway.
As preferably, the cross section connecting end of described inner core tube is spline surface, and transition joint two ends are respectively provided with snap-latch surface, are engaged with spline surface respectively.
Can also be that the end face connecting end of inner core tube is joint face, and the central cylindrical of joint face is protruding, and the outer ring surface of joint face is circumferentially evenly arranged with sawtooth, and transition joint two ends are respectively provided with snap-latch surface, are engaged with joint face respectively.
As preferably, a plurality of venting channels it is provided with in described connector, the most corresponding every venting channels of connector is provided with steam vent, the venting channels that corresponding steam vent connection is corresponding, is connected to airway between the steam vent of two inner core tube correspondence connectors.
As preferably, connecting of described inner core tube is provided with sealing ring on the end face at end and transition joint engaging.
Can also be that connecting of inner core tube is provided with sealing ring on the side at end and transition joint engaging.
nullCompared with prior art，The inner surface of the trocar sheath of this flexible duct transition joint extends out from inside to outside，The inner surface of trocar sheath is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，The outer surface of the sleeve end of inner core tube is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，Thus greatly strengthen the sealing of flexible duct transition joint，Certainly this caliber changing inner core tube makes the caliber difference of inner core tube，Expand in the most for convenience，Need internal diameter tube is divided into two sections engaged by transition joint，Arranging of the splined section of transition joint simultaneously and internal diameter tube joint can limit inner core tube rotation，Prevent from rotating between two sections of inner core tube causing airway torsional deformation，The setting being simultaneously connected with part and connector internal ventilation passage makes leaking medium be in circulation status，It flow to the discharge of the flexible duct transition joint other end，And this structure arranges and makes exhaust passage will not block deformation because of pipeline distortion or extruding，Leaking medium will not be piled up，Emission effect is good.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model；
Fig. 2 is a kind of sectional view in B-B direction in Fig. 1；
Fig. 3 is a kind of sectional view in A-A direction in Fig. 1；
Fig. 4 is a kind of axonometric chart of the present utility model；
Fig. 5 is a kind of structural representation of the present utility model；
Fig. 6 is inner core tube and the structural representation of transition joint junction in Fig. 5；
Fig. 7 is a kind of structural representation in C-C direction in Fig. 6；
In figure: 1, inner core tube, 2, trocar sheath, 3, transition joint, 4, clamp nut, 5, connector, 6, airway, 7, sealing ring, 8, venting channels, 9, steam vent.
Detailed description of the invention
Below by specific embodiment, and combine accompanying drawing, the technical solution of the utility model be further described specifically:
nullEmbodiment 1: such as accompanying drawing 1，Accompanying drawing 2，Shown in accompanying drawing 3 and accompanying drawing 4，A kind of flexible duct transition joint，It includes two inner core tube 1、Two trocar sheaths 2 and transition joint 3，One end, inner core tube two ends is sleeve end，The other end is for connecting end，The outer surface of the sleeve end of inner core tube indent from inside to outside，The outer surface of the sleeve end of inner core tube is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，The connection end of two inner core tube engages with transition joint two ends respectively，The connection end of two inner core tube engages with transition joint that place is threaded clamp nut 4，Inner core tube outer surface centre position is fixedly installed connector 5，Trocar sheath is socketed with the connection end of inner core tube，And be fixed on connector，The inner surface of trocar sheath extends out from inside to outside，The inner surface of trocar sheath is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，Connector inner surface is provided with axial venting channels 8，Connector be provided with steam vent 9 in the radial direction，Steam vent connection venting channels，Region between inner core tube and trocar sheath that venting channels connection is connected，Connect between the steam vent of two inner core tube correspondence connectors and have airway 6，The cross section connecting end of inner core tube is spline surface，Transition joint two ends are respectively provided with snap-latch surface，It is engaged with spline surface respectively，A plurality of venting channels it is provided with in connector，The most corresponding every venting channels of connector is provided with steam vent，The venting channels that corresponding steam vent connection is corresponding，It is connected to airway between the steam vent of two inner core tube correspondence connectors，Connecting of inner core tube is provided with sealing ring 7 on the end face at end and transition joint engaging.
nullEmbodiment 2: such as accompanying drawing 5、Shown in accompanying drawing 6 and accompanying drawing 7，A kind of flexible duct transition joint，It includes two inner core tube 1、Two trocar sheaths 2 and transition joint 3，One end, inner core tube two ends is sleeve end，The other end is for connecting end，The outer surface of the sleeve end of inner core tube indent from inside to outside，The outer surface of the sleeve end of inner core tube is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，The connection end of two inner core tube engages with transition joint two ends respectively，The connection end of two inner core tube engages with transition joint that place is threaded clamp nut 4，Inner core tube outer surface centre position is fixedly installed connector 5，Trocar sheath is socketed with the connection end of inner core tube，And be fixed on connector，The inner surface of trocar sheath extends out from inside to outside，The inner surface of trocar sheath is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，Connector inner surface is provided with axial venting channels 8，Connector be provided with steam vent 9 in the radial direction，Steam vent connection venting channels，Region between inner core tube and trocar sheath that venting channels connection is connected，Connect between the steam vent of two inner core tube correspondence connectors and have airway 6，The end face connecting end of inner core tube is joint face，The central cylindrical of joint face is protruding，The outer ring surface of joint face is circumferentially evenly arranged with sawtooth，Transition joint two ends are respectively provided with snap-latch surface，It is engaged with joint face respectively，A plurality of venting channels it is provided with in connector，The most corresponding every venting channels of connector is provided with steam vent，The venting channels that corresponding steam vent connection is corresponding，It is connected to airway between the steam vent of two inner core tube correspondence connectors，Connecting of inner core tube is provided with sealing ring 7 on the end face at end and transition joint engaging.
nullThe inner surface of the trocar sheath of this flexible duct transition joint extends out from inside to outside，The inner surface of trocar sheath is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，The outer surface of the sleeve end of inner core tube is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，Thus greatly strengthen the sealing of flexible duct transition joint，Certainly this caliber changing inner core tube makes the caliber difference of inner core tube，Expand in the most for convenience，Need internal diameter tube is divided into two sections engaged by transition joint，Transition joint simultaneously and the splined section of internal diameter tube joint or arranging of bevel gear end face can limit inner core tube rotation，Prevent from rotating between two sections of inner core tube causing airway torsional deformation，The setting being simultaneously connected with part and connector internal ventilation passage makes leaking medium be in circulation status，It flow to the discharge of the flexible duct transition joint other end，And this structure arranges and makes exhaust passage will not block deformation because of pipeline distortion or extruding，Leaking medium will not be piled up，Emission effect is good.
Embodiment described above is one of the present utility model preferably scheme, and this utility model is not made any pro forma restriction, also has other variant and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (6)
- null1. a flexible duct transition joint，It is characterized in that，It includes two inner core tube、Two trocar sheaths and transition joint，One end, inner core tube two ends is sleeve end，The other end is for connecting end，The outer surface of the sleeve end of inner core tube indent from inside to outside，The outer surface of the sleeve end of inner core tube is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，The connection end of two inner core tube engages with transition joint two ends respectively，The connection end of two inner core tube engages with transition joint that place is threaded clamp nut，Inner core tube outer surface centre position is fixedly installed connector，Trocar sheath is socketed with the connection end of inner core tube，And be fixed on connector，The inner surface of trocar sheath extends out from inside to outside，The inner surface of trocar sheath is evenly arranged with multiple annular snap-latch surfaces that cross section is zigzag distribution，Connector inner surface is provided with axial venting channels，Connector be provided with steam vent in the radial direction，Steam vent connection venting channels，Region between inner core tube and trocar sheath that venting channels connection is connected，Connect between the steam vent of two inner core tube correspondence connectors and have airway.
- A kind of flexible duct transition joint the most according to claim 1, is characterized in that, the cross section connecting end of described inner core tube is spline surface, and transition joint two ends are respectively provided with snap-latch surface, are engaged with spline surface respectively.
- A kind of flexible duct transition joint the most according to claim 1, it is characterized in that, the end face connecting end of described inner core tube is joint face, the central cylindrical of joint face is protruding, the outer ring surface of joint face is circumferentially evenly arranged with sawtooth, transition joint two ends are respectively provided with snap-latch surface, are engaged with joint face respectively.
- A kind of flexible duct transition joint the most according to claim 1, it is characterized in that, a plurality of venting channels it is provided with in described connector, the most corresponding every venting channels of connector is provided with steam vent, the venting channels that corresponding steam vent connection is corresponding, is connected to airway between the steam vent of two inner core tube correspondence connectors.
- A kind of flexible duct transition joint the most according to claim 1, is characterized in that, connecting of described inner core tube is provided with sealing ring on the end face at end and transition joint engaging.
- A kind of flexible duct transition joint the most according to claim 1, is characterized in that, connecting of described inner core tube is provided with sealing ring on the side at end and transition joint engaging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470832.4U CN205639977U (en) | 2016-05-23 | 2016-05-23 | Flexible duct intermediate head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620470832.4U CN205639977U (en) | 2016-05-23 | 2016-05-23 | Flexible duct intermediate head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205639977U true CN205639977U (en) | 2016-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620470832.4U Active CN205639977U (en) | 2016-05-23 | 2016-05-23 | Flexible duct intermediate head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205639977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822862A (en) * | 2016-05-23 | 2016-08-03 | 杭州欧佩亚海洋工程股份有限公司 | Intermediate joint for flexible pipeline |
| CN112384726A (en) * | 2018-04-24 | 2021-02-19 | 诚信全球公司 | Fluid connector |
-
2016
- 2016-05-23 CN CN201620470832.4U patent/CN205639977U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822862A (en) * | 2016-05-23 | 2016-08-03 | 杭州欧佩亚海洋工程股份有限公司 | Intermediate joint for flexible pipeline |
| CN112384726A (en) * | 2018-04-24 | 2021-02-19 | 诚信全球公司 | Fluid connector |
| CN112384726B (en) * | 2018-04-24 | 2022-08-12 | 诚信全球公司 | Fluid connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171127 Address after: 322000 Zhejiang city of Jinhua province Yiwu Beiyuan Street Xuefeng Road No. 968 Patentee after: Yiwu Ou Peja Petroleum Machinery Co.,Ltd. Address before: Yuhang District, Hangzhou City, Zhejiang Province, 310012 West Sea Park No. 998 building 7 layer 7 Patentee before: HANGZHOU OPR MARINE ENGINEERING CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230901 Address after: No. 419 Binsha Road, Binhai New Area, Economic Development Zone, Fenghua District, Ningbo City, Zhejiang Province, 315506 Patentee after: NINGBO OPR OFFSHORE ENGINEERING EQUIPMENT CO.,LTD. Address before: 322000 Xuefeng West Road, Beiyuan street, Yiwu, Jinhua, Zhejiang, 968 Patentee before: Yiwu Ou Peja Petroleum Machinery Co.,Ltd. |